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How far was the February Revolution of 1917 due to Nicholas II’s own weaknesses?

Nicholas II was, as Dominic Lieven argues in his assessment of the Russian tsar, an ideal candidate for a British-style constitutional monarchy, but was crucially inept in regards to fulfilling the role of s...
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Answered by Catherine A. • History tutor
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Explain the structure of a DNA polynucleotide strand

Think of DNA like 2 long shoelaces coiled around each other to form a spiral - or a double helix as it's called. Each of the 2 shoelaces is called a 'strand' and is made up of something called 'polynucleotid...
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Answered by Darius F. • Biology tutor
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How did Labour win the 1945 General Election?

We are now fairly used to the failings of polling in predicting the outcomes of elections and referendums, but the election of Labour under Clement Attlee was a very early example of a 'shock' victory. From ...
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Answered by Seb C. • History tutor
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Solve (4x10^-3)x(9x10^4)

The answer is 1.3x10^2. To solve this you need to multiply the integers first to get 13. The exponents (x10^4 for example) are then multiplied, since it is multiplication the powers are simply added to give ...
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Answered by Philippe R. • Maths tutor
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A ball is initially at rest and is dropped from a height of 10m. Calculate the velocity of the ball when it reaches the ground

For this we need to use a SUVAT equation. S=displacement U=initial velocity V=final velocity A=acceleration T=time In the question we are give U=0m/s since the ball is at rest to start with Since the ball is...
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Answered by Catherine G. • Physics tutor
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